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materialism

(Encyclopedia)materialism, in philosophy, a widely held system of thought that explains the nature of the world as entirely dependent on matter, the fundamental and final reality beyond which nothing need be sought...

Saint-Simon, Claude Henri de Rouvroy, comte de

(Encyclopedia)Saint-Simon, Claude Henri de Rouvroy, comte de klōd äNrē də ro͞ovrwäˈ kôNt də săN-sēmôNˈ [key], 1760–1825, French social philosopher; grand nephew of Louis de Rouvroy, duc de Saint-Simo...

Tillich, Paul Johannes

(Encyclopedia)Tillich, Paul Johannes tĭlˈĭk [key], 1886–1965, American philosopher and theologian, b. Germany, educated at the universities of Berlin, Tübingen, Halle, and Breslau. In 1912 he was ordained a m...

George, Henry

(Encyclopedia)George, Henry, 1839–97, American economist, founder of the single tax movement, b. Philadelphia. Of a poor family, his formal education was cut short at 14, and in 1857 he emigrated to California; t...

heresy

(Encyclopedia)heresy, in religion, especially in Christianity, beliefs or views held by a member of a church that contradict its orthodoxy, or core doctrines. It is distinguished from apostasy, which is a complete ...

Brezhnev, Leonid Ilyich

(Encyclopedia)Brezhnev, Leonid Ilyich lāyōnēdˈ ĭlyēchˈ brĕzhˈnĕf [key], 1906–82, Soviet leader. He joined (1931) the Communist party and rose steadily in its hierarchy. In 1952 he became a secretary of ...

Manichaeism

(Encyclopedia)Manichaeism mănĭkēˈənĭzəm [key], religion founded by Mani (c.216–c.276). Several Christian emperors, including Justinian, published edicts against the Manichees. St. Augustine, in his yout...

theology

(Encyclopedia)theology thēŏlˈəjē [key], in Christianity, the systematic study of the nature of God and God's relationship with humanity and with the world. Although other religions may be said to have theologi...

Galileo

(Encyclopedia)Galileo (Galileo Galilei) gălˌĭlēˈō; gälēlĕˈō gälēlĕˈē [key], 1564–1642, great Italian astronomer, mathematician, and physicist. By his persistent investigation of natural laws he la...

Socrates

(Encyclopedia)Socrates sŏkˈrətēz [key], 469–399 b.c., Greek philosopher of Athens. Famous for his view of philosophy as a pursuit proper and necessary to all intelligent men, he is one of the great examples o...